Effortlessly install your new mailbox at the perfect height with the Gibraltar Black Mailbox Post. It's an all-black post made from durable vinyl polymer that won't rust and can be situated without digging or mixing concrete to achieve stability. This post comes with ground mount and mailbox bracket and measures 6.5L x 5.25W x 43.25H inches. About Solar Group, Inc. It wasn't always about quality mailboxes. The story of The Solar Group began back in 1957 with a small hardware manufacturing company right here in the U.S.A. Fine craftsmanship and customer service lead to an expanding brand that acquired several other small companies over the course of 50 years, and what was a once a humble hardware manufacturer realized what it truly excelled at: mailboxes. The Solar Group was born and soon enough The Solar Group mailboxes were being marketed in Canada, Japan, and even Germany! And in 1998 The Solar Group was acquired by Gibraltar Industries, a leading manufacturer that could help The Solar Group meet the demands of an anxious world. The story continues and the mailboxes are only getting better. Mailbox post with ground mount and bracket. Non-rust polymer construction. Black finish. Installs without digging or concrete mixing. Dimensions: 6.5L x 5.25W x 43.25H inches.